I'm back in action after a break for the holiday. I also got the PC version in the Steam sale. I'm still grinding up levels & cash so I haven't tried many of the new heists; doing solo stealth runs at low levels is tough. I did confirm the thing with the door on Diamond Store though.

I played a bit. I had about 10 tries on Framing Frame DW (the last day) but all the tries that actually went well ended up with the terrible vault location. I just seem to consistently bump into a guard when turning a corner. I need to see what spycam locations I should be using.

And after your 21 bag The Diamond, I thought I'd beat that on Shadow Raid. I had a lot of fails. I had one try where there were no patrolling guards left inside. I had a keycard on the floor outside the vault. And for some reason I decided to go for the container drop artifact first (since the goal was to get everything) and failed that. I also was going to have to drill a cage so I don't know whether that would make a static guard start moving again.

I've also been up into the container outside that sits on top of another container a few times and never found anything inside it. I guess that's just random though.

Related to that, I definitely read that there are always 16 loots inside the warehouse. But that's either false, or there are 2 (at least) loot locations that I don't know about. I find that very hard to believe..

But to make sure, I think I'll list them:

In the small storage ground floor:

Weapon Crate on the rack that's always there.
Coke next to it.
Coke next to the manhole.
Coke on the electrical boxes near the locker room door.
Weapon crate at the foot of the stairs.
2 cages.
Loot crate near the weapon crate.

Money bag in the office.

Money bag in the kitchen.

2 possible coke spawns in the locker room.

1 coke spawn in the basement.

In the main warehouse:

6 loot crates.
Money bag in between some boxes near the 2 crates that are togetherish.
weapon crate on a box outside the locker room.
painting near the far left wall.

Upstairs:

coke that's always sitting in the middle on the boxes.
weapon crate just a bit back from that in the corner.
2 more cages.
loot crate just near the cages.
painting near the cages.
weapon crate in the tiny storage room.
coke in the room outside the security room.
money bag at the foot of the stairs to the roof.
painting outside the computer room.
money bag inside the computer room.
And a server always in either the computer room or the security room.

4/5/6 crates in the depot on N+H/VH+OK/DW have equal chances to contain coke, artifact, gold and money. The remaining crates are empty (there are 9 crates in total).
1 server is found either in the security room (1/3 chance) or in the other room on the upper floor with server racks (else).
2 bags of money in the depot.
2/1 crates with paintings in the depot on -/DW.
2/1 weapon crates in the depot on -/DW. 66.7/83.3% chance for 1 additional weapon crate on -/DW.
2 bags of coke in the depot. 75% chance for 1 additional bag.
4 bags of money in the containers outside.
4 pieces of samurai armor in the vault.
1 artifact may be dropped by the helicopter.

I make that 13-15 inside not including the armour. The crate on top can definitely have loot in it; I've seen it with 2 bags, which is kind of awkward to retrieve.